Julian downloaded some of the music he created to play for his friend. Julian's friend wore headphones to listen to the music. A set of headphones is:

Answer 1

A set of headphones is a device designed to be worn over or in the ears, allowing the user to listen to audio without disturbing others. Headphones typically consist of two ear cups connected by a headband, and they can vary in types such as over-ear, on-ear, in-ear, or noise-canceling. They may connect to audio sources via a wired connection (like a headphone jack) or wirelessly through Bluetooth. Headphones are commonly used for listening to music, podcasts, or audio from various devices like smartphones, computers, or audio players.